68408560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 180488448

約数和(自身を除く): 112079888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 121, 148, 176, 185, 191, 220, 242, 296, 370, 382, 407, 440, 484, 592, 605, 740, 764, 814, 880, 955, 968, 1210, 1480, 1528, 1628, 1910, 1936, 2035, 2101, 2420, 2960, 3056, 3256, 3820, 4070, 4202, 4477, 4840, 6512, 7067, 7640, 8140, 8404, 8954, 9680, 10505, 14134, 15280, 16280, 16808, 17908, 21010, 22385, 23111, 28268, 32560, 33616, 35335, 35816, 42020, 44770, 46222, 56536, 70670, 71632, 77737, 84040, 89540, 92444, 113072, 115555, 141340, 155474, 168080, 179080, 184888, 231110, 282680, 310948, 358160, 369776, 388685, 462220, 565360, 621896, 777370, 855107, 924440, 1243792, 1554740, 1710214, 1848880, 3109480, 3420428, 4275535, 6218960, 6840856, 8551070, 13681712, 17102140, 34204280, 68408560]

約数ペア:

[(1, 68408560), (2, 34204280), (4, 17102140), (5, 13681712), (8, 8551070), (10, 6840856), (11, 6218960), (16, 4275535), (20, 3420428), (22, 3109480), (37, 1848880), (40, 1710214), (44, 1554740), (55, 1243792), (74, 924440), (80, 855107), (88, 777370), (110, 621896), (121, 565360), (148, 462220), (176, 388685), (185, 369776), (191, 358160), (220, 310948), (242, 282680), (296, 231110), (370, 184888), (382, 179080), (407, 168080), (440, 155474), (484, 141340), (592, 115555), (605, 113072), (740, 92444), (764, 89540), (814, 84040), (880, 77737), (955, 71632), (968, 70670), (1210, 56536), (1480, 46222), (1528, 44770), (1628, 42020), (1910, 35816), (1936, 35335), (2035, 33616), (2101, 32560), (2420, 28268), (2960, 23111), (3056, 22385), (3256, 21010), (3820, 17908), (4070, 16808), (4202, 16280), (4477, 15280), (4840, 14134), (6512, 10505), (7067, 9680), (7640, 8954), (8140, 8404)]